Element block pseudo-element :after generated with height auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) overflow hidden border-radius float none font-size 16px padding 20px line-height 1 border 0px rgba(0,0,0,1) solid cursor default box-sizing content-box z-index auto width 160px position static text-shadow 1px 1px 1px rgba(0,0,0,0.2) background margin 0px font-weight normal transform display block transition